The one way to resolve this issue of Cash App direct deposit failed and returned to the originator is to contact the sender. You need to check the weather there is some issue with the bank of the originator. You can also contact the Cash App customer service and here complain about the direct deposit failed.

Cash App monitors your account for anything that looks out of the ordinary. If a potentially fraudulent payment occurs, we cancel it to prevent you from being charged. When this happens, your funds will instantly be returned to your Cash App balance or linked bank account.